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प्रश्न
State two uses of a bimetallic strip.
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उत्तर
Two uses of bimetallic strip are
(a). As thermostat in electric iron
(b). As balance wheel in watches
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संबंधित प्रश्न
Name two substances which expand on heating.
Correct the following statement:
The boiling point of water is 273 K.
State the types of thermal expansion. What is the relation between α and γ?
What is meant by the lower and upper fixed points of a thermometer?
Where am I?
The isotherm 0°C runs in my surroundings.
Explain with a diagram, the effect of the spherical shape of the earth on the temperature at different latitudes.
What makes the isotherms run zigzag over continental areas?
Higher Order Thinking question
Go to a veterinary doctor (a doctor who treats animals). Discuss and find out the normal temperature of domestic animals and birds.
Assertion: When water is heated up to 100°C, there is no raise in temperature until all water gets converted into water vapour.
Reason: Boiling point of water is 10°C.
